/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.1
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
	This file is part of foam-extend.

	foam-extend is free software: you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published by the
	Free Software Foundation, either version 3 of the License, or (at your
	option) any later version.

	foam-extend is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/

#include "regionCoupleAMGInterfaceField.H"
#include "addToRunTimeSelectionTable.H"
#include "lduMatrix.H"

#include "OSspecific.H"

// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //

namespace Foam
{
	defineTypeNameAndDebug(regionCoupleAMGInterfaceField, 0);
	addToRunTimeSelectionTable
	(
		AMGInterfaceField,
		regionCoupleAMGInterfaceField,
		lduInterface
	);
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

Foam::regionCoupleAMGInterfaceField::regionCoupleAMGInterfaceField
(
	const AMGInterface& AMGCp,
	const lduInterfaceField& fineInterface
)
:
	ggiAMGInterfaceField(AMGCp, fineInterface),
	regionCoupleInterface_(refCast<const regionCoupleAMGInterface>(AMGCp))
{}


// * * * * * * * * * * * * * * * * Desstructor * * * * * * * * * * * * * * * //

Foam::regionCoupleAMGInterfaceField::~regionCoupleAMGInterfaceField()
{}


// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //

void Foam::regionCoupleAMGInterfaceField::initInterfaceMatrixUpdate
(
	const scalarField& psiInternal,
	scalarField& result,
	const lduMatrix& m,
	const scalarField& coeffs,
	const direction cmpt,
	const Pstream::commsTypes commsType,
	const bool switchToLhs
) const
{
	// This must have a reduce in it.  HJ, 15/May/2009
	if (regionCoupleInterface_.coupled())
	{
		ggiAMGInterfaceField::initInterfaceMatrixUpdate
		(
			psiInternal,
			result,
			m,
			coeffs,
			cmpt,
			commsType,
			switchToLhs
		);
	}
}


void Foam::regionCoupleAMGInterfaceField::updateInterfaceMatrix
(
	const scalarField& psiInternal,
	scalarField& result,
	const lduMatrix& m,
	const scalarField& coeffs,
	const direction cmpt,
	const Pstream::commsTypes commsType,
	const bool switchToLhs
) const
{
	// Get expanded data to zone size.  No global reduce allowed
	// HJ, 15/May/2009
	if (regionCoupleInterface_.coupled())
	{
		ggiAMGInterfaceField::updateInterfaceMatrix
		(
			psiInternal,
			result,
			m,
			coeffs,
			cmpt,
			commsType,
			switchToLhs
		);
	}
}


// ************************************************************************* //
